Systems

 

 

Integrated electrical and low-voltage systems of all types—inside and outside a building—encompass the range of work that electrical contractors do. The articles in this section highlight different types of work, from security, fire and life safety, to traditional electrical power and distribution, to lighting, cabling and more. 

In North Carolina, on July 27, PCL Civil Constructors working on the Herbert C. Bonner Bridge project, which spans 2.8 miles and is the only connection between Hatteras Island and Bodie Island, severed a three-phase, 115-kilovolt underground transmission line.

Capacitors that blew up from a power supply failure

In my 40-plus years in the industry, I have analyzed customers’ power quality monitor data files and heard their stories about hundreds of things that have happened in their facilities or homes: some mysterious, some catastrophic, some even comical.

According to an August 3 report from the U.S. Energy Information Administration (EIA), as of July 2017, 30 states plus the District of Columbia have adopted energy efficiency policies. These policies range from mandated requirements to voluntary goals, as well as pilot programs.

Wire and fiber. Rigid and flexible raceways. Twisted copper wire and category (Cat) cable. Welcome to a new world where traditional power and low voltage meet. For some electrical contractors, their shops reflect this confluence. For others, it may be on the horizon.


More on Systems

 
Casino Fire Protection-Not a Roll of the Dice!
by Staff |

Two decades ago, the disastrous fire at the MGM Grand Hotel and Casino in Las Vegas focused the world’s attention on the need for improved fire safety in casinos and hotels. The fire occurred on Nov.


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Intrusion Detection for Secure Networks

On the scene to protect vital data for hotels, casinos and more Intrusion detection systems (IDS) are some of the new kids on the secured-computing block. While these network-based systems are on the rise, they are still misunderstood and not used nearly enough.


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Expanding Your Knowledge Base

Use the Web to keep up with the latest information Most fiber optic installers get started by taking a short class or seminar that covers the basics. That usually means a half-hour lecture each on fiber optic technology, how it is used for networks and the various components.


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Control Systems

Getting the most out of your system An important characteristic of an intelligent building is its ability to sense ambient conditions and react to them.


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Are Laundry Areas Habitable Rooms?

Dedicated 20-ampere branch circuits are required Most dwelling units are required to have a laundry area within the living area or have a laundry area provided on the premises for a multifamily building.


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Access Control Wizardry

Smarts and flexibility reign in this product genre Just when you thought access control had hit its peak, there’s more innovation to report. Access control is not just for physical security anymore, even though that too has seen its share of technological advances.


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Integration Infatuation

Stop thinking burglar and fire alarms and start thinking computer-based integrated building solutions No matter what you call it—low voltage, voice/data/video or security—it’s a discipline that almost always is coupled with other technologies, facilities management and computer functions in a turnk


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